ROEBUCK : CENSUS AUTHENTICATION'S. 163 



Cantire : Pisidium ?/iiIiii/n, a few small, Crinan, D. Robertson. 



Clyde Islands and Wigtownshire : Helix acuta in abundance, var. strigata 

 numerous, at Millport and Port Logan, in the D. Robertson collection. 

 Millport is on Cumbrae, Clyde Islands, and Port I,ogan is in Wigtownshire. 



Donegfal East : From Bundoran three Helicella itala, and Hygromia riifescens in 

 abundance. 



Dumbartonshire : In the Alfred Brown collection is a tablet with several examples 

 of Acaulhintilalamellata labelled " Dumbartonshire " ; an example oi Pisidiuvt 

 obhtsale from shallow water in Loch Lomond taken 30th August, 1906, in 

 company with the already authenticated P. pnsillmn ; and Sncciiiea ptttris and 

 Succinea elegaiis from Loch Lomond, mixed on one tablet, one of the latter and 

 several of the former species. 



Ebudes North : A few each of Pisidium obtiisalt and P. pidcheUtiin, along with 

 other species, Skye, August, 1879. 



Glamorgfanshire : Among the collections made by the late David Robertson are 

 several examples of Pisidiu/n siipiniint, taken in the Cardiff canal, July, 1871 ; 

 also a few P. inilitun, taken along with three other species of the genus in the 

 Swan Pond, Sophia Gardens, Cardiff, in 1877 ; also an example of Bythinia 

 leachii, a juvenile specimen of Liinn(ea auricularia, a few Hyalinia alliaria. 

 and Pahidesfrina stagnalis in great abundance, all collected at Cardiff. 



Isle of Man : In a box of shells collected in various places in the Isle of Man are 

 several examples o^ Pisidium fontinale and a few of Planorhis crista var. lavi- 

 gata, the collector's name not being stated. 



Lanarkshire : We have been enabled to fill up some blanks for this not well 

 worked county as follows : Planorbis albus abundant, Pisidium cbtiisale and 

 Sphcerium coneitm, both numerous, all collected by the late Mr. Alfred Brown 

 in Possil Marsh ; Spiicerium lacustre numerous in a pond near Possil Marsh, 

 collected by the late David Robertson ; Valvata pisciualis, a few found by the 

 same collector in a marsh between Uddingston and Fallside, on the roadside at 

 bridge in 1S82 ; and a collection made at Hairmyres, 28th September, 1872, by 

 D. Robertson contained a few Punctum pygmaum, several Vertigo pygmcra, a 

 few Pisidium fontinale, a few P. pulchellum, and a few P. milium. 



Main Argyll : Numerous examples of Planorbis contortus, a few Pisidium obtusale 

 and one Paludestrina stagnalis, found " in a pond near shore, Lochgilp." 



Monmouthshire : Planorbis corneus (several adults) and PI. carinatus (a few small 

 darkly encrusted examples) collected at Newport by Mr. Alfred Brown. Also a 

 few examples oi Balea perversa from Tintern Abbey neighbourhood. 



Renfrewshire : From the Paisley canal (D. Robertson) are several Valvata cristata 

 and several Pisidium henslowanum ; and from Houston (D, Robertson) 

 numerous Pisiditim fontinale. 



Ross West ; Helicella itala, three specimens taken at Loch Carron, 



We have previously had similar help from the Museums of Manchester, Essex, 

 Dublin, Perth, Bath, Bristol, Edinburgh, Exeter, etc., and would be pleased to 

 avail ourselves of the opportunities of examining such specimens as may appear to 

 be new for the Census in collections stored in similar institutions. 



